source stringlengths 31 227 | text stringlengths 9 2k |
|---|---|
https://en.wikipedia.org/wiki/Kiwi%20drive | A Kiwi drive is a holonomic drive system of three omni-directional wheels (such as omni wheels or Mecanum wheels), 120 degrees from each other, that enables movement in any direction using only three motors. This is in contrast with non-holonomic systems such as traditionally wheeled or tracked vehicles which cannot m... |
https://en.wikipedia.org/wiki/Hypsizygus%20ulmarius | Hypsizygus ulmarius, also known as the elm oyster mushroom, and less commonly as the elm leech, elm Pleurotus, is an edible fungus. It has often been confused with oyster mushrooms in the Pleurotus genus but can be differentiated easily as the gills are either not decurrent or not deeply decurrent. While not quite as c... |
https://en.wikipedia.org/wiki/Typicity | Typicity (French typicité, Italian tipicità) is a term in wine tasting used to describe the degree to which a wine reflects its varietal origins and thus demonstrates the signature characteristics of the grape from which it was produced, e.g., how much a Merlot wine “tastes like a Merlot”. It is an important component ... |
https://en.wikipedia.org/wiki/RC%20time%20constant | The RC time constant, also called tau, the time constant (in seconds) of an RC circuit, is equal to the product of the circuit resistance (in ohms) and the circuit capacitance (in farads), i.e.
[seconds]
It is the time required to charge the capacitor, through the resistor, from an initial charge voltage of zero to ... |
https://en.wikipedia.org/wiki/Horizontal%20market%20software | In computer software, horizontal market software is a type of application software that is useful in a wide range of industries. This is the opposite of vertical market software, which has a scope of usefulness limited to few industries. Horizontal market software is also known as "productivity software."
Example
Exam... |
https://en.wikipedia.org/wiki/Aprosphylosoma | Aprosphylosoma darceneae is a species of cylindrical julidan millipede found only in the U.S. state of Oregon and comprising the sole species of the family Aprosphylosomatidae. It is known from only a single known specimen collected from Oregon Caves National Monument in 1956 that measures approximately long and 1 mm ... |
https://en.wikipedia.org/wiki/Mir-331%20microRNA%20precursor%20family | In molecular biology mir-331 microRNA is a short RNA molecule. MicroRNAs function to regulate the expression levels of other genes by several mechanisms.
See also
MicroRNA |
https://en.wikipedia.org/wiki/Strike%20and%20dip | In geology, strike and dip is a measurement convention used to describe the plane orientation or attitude of a planar geologic feature. A feature's strike is the azimuth of an imagined horizontal line across the plane, and its dip is the angle of inclination (or depression angle) measured downward from horizontal. They... |
https://en.wikipedia.org/wiki/Jacobi%20form | In mathematics, a Jacobi form is an automorphic form on the Jacobi group, which is the semidirect product of the symplectic group Sp(n;R) and the Heisenberg group . The theory was first systematically studied by .
Definition
A Jacobi form of level 1, weight k and index m is a function of two complex variables (with ... |
https://en.wikipedia.org/wiki/Feldmark | Feldmark, also spelt fjaeldmark (), is a plant community characteristic of sites where plant growth is severely restricted by extremes of cold and exposure to wind, typical of alpine tundra and subantarctic environments.
Description
Feldmark plant communities are characterised by scattered dwarf and prostrate plants, ... |
https://en.wikipedia.org/wiki/Telegrapher%27s%20equations | The telegrapher's equations (or just telegraph equations) are a set of two coupled, linear equations that predict the voltage and current distributions on a linear electrical transmission line. The equations are important because they allow transmission lines to be analyzed using circuit theory. The equations and thei... |
https://en.wikipedia.org/wiki/Sleep%20%28album%29 | Sleep is an eight-and-a-half hour concept album based around the neuroscience of sleep by German-British composer Max Richter. It was released on September 4, 2015, accompanied by a one-hour version with variations, From Sleep, later remixed as Sleep Remixes.
The documentary Max Richter's Sleep, directed by Natalie Jo... |
https://en.wikipedia.org/wiki/Pleurocidin | Pleurocidin is an antimicrobial peptide found in the mucus secreted by the skin of the winter flounder (Pleuronectes americanus). It exhibits broad-spectrum antimicrobial activity. Pleurocidin assumes an amphipathic alpha-helical conformation similar to other linear antimicrobial peptides and may play a role in innate ... |
https://en.wikipedia.org/wiki/Boot%20sector | A boot sector is the sector of a persistent data storage device (e.g., hard disk, floppy disk, optical disc, etc.) which contains machine code to be loaded into random-access memory (RAM) and then executed by a computer system's built-in firmware (e.g., the BIOS).
Usually, the very first sector of the hard disk is the... |
https://en.wikipedia.org/wiki/Enantiomer%20self-disproportionation | Enantiomer self-disproportionation is a process in stereochemistry describing the separation of a non-racemic mixture of enantiomers in an enantioenriched fraction and a more racemic fraction as a result of the formation of heterochiral or homochiral aggregates. This process is known to occur in achiral column chromato... |
https://en.wikipedia.org/wiki/Hitori | Hitori (Japanese: "Alone" or "one person"; Hitori ni shite kure; literally "leave me alone") is a type of logic puzzle published by Nikoli.
Hitori is NP complete.
Rules
Hitori is played with a grid of squares or cells, with each cell initially containing a number. The game is played by eliminating squares/numbers a... |
https://en.wikipedia.org/wiki/888%20%28number%29 | 888 (eight hundred eighty-eight) is the natural number following 887 and preceding 889.
It is a strobogrammatic number that reads the same upside-down on a seven-segment calculator display, symbolic in various mystical traditions.
In mathematics
888 is a base ten repdigit (a number all of whose digits are equal), and... |
https://en.wikipedia.org/wiki/Fractionalization | In quantum mechanics, fractionalization is the phenomenon whereby the quasiparticles of a system cannot be constructed as combinations of its elementary constituents. One of the earliest and most prominent examples is the fractional quantum Hall effect, where the constituent particles are electrons but the quasiparticl... |
https://en.wikipedia.org/wiki/Traveling%20microscope | A travelling microscope is an instrument for measuring length with a resolution typically in the order of 0.01mm. The precision is such that better-quality instruments have measuring scales made from Invar to avoid misreadings due to thermal effects. The instrument comprises a microscope mounted on two rails fixed to, ... |
https://en.wikipedia.org/wiki/Structure%20tensor | In mathematics, the structure tensor, also referred to as the second-moment matrix, is a matrix derived from the gradient of a function. It describes the distribution of the gradient in a specified neighborhood around a point and makes the information invariant respect the observing coordinates. The structure tensor is... |
https://en.wikipedia.org/wiki/The%20Pursuit%20of%20Perfect%20Packing | The Pursuit of Perfect Packing is a book on packing problems in geometry. It was written by physicists Tomaso Aste and Denis Weaire, and published in 2000 by Institute of Physics Publishing (doi:10.1887/0750306483, ) with a second edition published in 2008 by Taylor & Francis ().
Topics
The mathematical topics describ... |
https://en.wikipedia.org/wiki/Plant%20test%20number | In telecommunications, a plant test number is a telephone number reserved for use by telephone installers or other workers to test an individual telephone line. Test number are typically unlisted.
The North American Numbering Plan (NANP) reserves the exchange (central office) prefixes 958 and 959 for plant testing.
Ce... |
https://en.wikipedia.org/wiki/Gheorghe%20Vr%C4%83nceanu | Gheorghe Vrănceanu (June 30, 1900 – April 27, 1979) was a Romanian mathematician, best known for his work in differential geometry and topology. He was titular member of the Romanian Academy and vice-president of the International Mathematical Union.
Biography
He was born in 1900 in Valea Hogei, then a village in Vasl... |
https://en.wikipedia.org/wiki/Julia%20%28programming%20language%29 | Julia is a high-level, general-purpose dynamic programming language, most commonly used for numerical analysis and computational science. Distinctive aspects of Julia's design include a type system with parametric polymorphism and the use of multiple dispatch as a core programming paradigm, efficient garbage collection... |
https://en.wikipedia.org/wiki/Broadcast%20Pioneers%20of%20Philadelphia | The Broadcast Pioneers of Philadelphia is a state-chartered, federally recognized, 501(c)(3) non-profit organization, devoted to collecting information about and promoting cultural work related to broadcasting and communications in Philadelphia, Pennsylvania, US, and its metropolitan area, the Delaware Valley. The grou... |
https://en.wikipedia.org/wiki/Neo-organ | In tissue engineering, neo-organ is the final structure of a procedure based on transplantation consisting of endogenous stem/progenitor cells grown ex vivo within predesigned matrix scaffolds. Current organ donation faces the problems of patients waiting to match for an organ and the possible risk of the patient's bod... |
https://en.wikipedia.org/wiki/Demethylating%20agent | Demethylating agents are chemical substances that can inhibit methylation, resulting in the expression of the previously hypermethylated silenced genes (see Methylation#Cancer for more detail). Cytidine analogs such as 5-azacytidine (azacitidine) and 5-azadeoxycytidine (decitabine) are the most commonly used demethylat... |
https://en.wikipedia.org/wiki/Bromodomain | A bromodomain is an approximately 110 amino acid protein domain that recognizes acetylated lysine residues, such as those on the N-terminal tails of histones. Bromodomains, as the "readers" of lysine acetylation, are responsible in transducing the signal carried by acetylated lysine residues and translating it into var... |
https://en.wikipedia.org/wiki/Uzi%20Vishkin | Uzi Vishkin (born 1953) is a computer scientist at the University of Maryland, College Park, where he is Professor of Electrical and Computer Engineering at the University of Maryland Institute for Advanced Computer Studies (UMIACS). Uzi Vishkin is known for his work in the field of parallel computing. In 1996, he was ... |
https://en.wikipedia.org/wiki/Chronometry | Chronometry (from Greek χρόνος chronos, "time" and μέτρον metron, "measure") is the science of the measurement of time, or timekeeping. Chronometry provides a standard of measurement for time, and therefore serves as a significant reference for many and various fields of science.
The importance of the accuracy and rel... |
https://en.wikipedia.org/wiki/System%20call | In computing, a system call (commonly abbreviated to syscall) is the programmatic way in which a computer program requests a service from the operating system on which it is executed. This may include hardware-related services (for example, accessing a hard disk drive or accessing the device's camera), creation and exe... |
https://en.wikipedia.org/wiki/Symsagittifera%20roscoffensis | Symsagittifera roscoffensis, also called the Roscoff worm, the mint-sauce worm, or the shilly-shally worm, is a marine worm belonging to the phylum Xenacoelomorpha. The origin and nature of the green color of this worm stimulated the curiosity of zoologists early on. It is due to the partnership between the animal and ... |
https://en.wikipedia.org/wiki/CHELPG | CHELPG (CHarges from ELectrostatic Potentials using a Grid-based method) is an atomic charge calculation scheme developed by Breneman and Wiberg, in which atomic charges are fitted to reproduce the molecular electrostatic potential (MESP) at a number of points around the molecule.
The charge calculation methods based ... |
https://en.wikipedia.org/wiki/Austrian%20Centre%20of%20Industrial%20Biotechnology | The Austrian Centre of Industrial Biotechnology (ACIB) is an international research institution for industrial biotechnology. Research facilities are located in Graz, Linz, Innsbruck, Tulln and Vienna, with additional research sites in Heidelberg, Bielefeld, Pavia, Rzeszów, Barcelona, Canterbury and Taiwan. The adminis... |
https://en.wikipedia.org/wiki/OpenFOAM | OpenFOAM (Open Field Operation And Manipulation) is a C++ toolbox for the development of customized numerical solvers, and pre-/post-processing utilities for the solution of continuum mechanics problems, most prominently including computational fluid dynamics (CFD).
The OpenFOAM software is used in research organisati... |
https://en.wikipedia.org/wiki/Photo%2051 | Photo 51 is an X-ray based fiber diffraction image of a paracrystalline gel composed of DNA fiber taken by Raymond Gosling, a graduate student working under the supervision of Rosalind Franklin in May 1952 at King's College London, while working in Sir John Randall's group. The image was tagged "photo 51" because it wa... |
https://en.wikipedia.org/wiki/Cervical%20rib | A cervical rib in humans is an extra rib which arises from the seventh cervical vertebra. Their presence is a congenital abnormality located above the normal first rib. A cervical rib is estimated to occur in 0.2% to 0.5% (1 in 200 to 500) of the population. People may have a cervical rib on the right, left or both sid... |
https://en.wikipedia.org/wiki/Comb%20drive | Comb-drives are microelectromechanical actuators, often used as linear actuators, which utilize electrostatic forces that act between two electrically conductive combs. Comb drive actuators typically operate at the micro- or nanometer scale and are generally manufactured by bulk micromachining or surface micromachinin... |
https://en.wikipedia.org/wiki/Cultivated%20plant%20taxonomy | Cultivated plant taxonomy is the study of the theory and practice of the science that identifies, describes, classifies, and names cultigens—those plants whose origin or selection is primarily due to intentional human activity. Cultivated plant taxonomists do, however, work with all kinds of plants in cultivation.
Cul... |
https://en.wikipedia.org/wiki/Vertex%20Pharmaceuticals | Vertex Pharmaceuticals is an American biopharmaceutical company based in Boston, Massachusetts. It was one of the first biotech firms to use an explicit strategy of rational drug design rather than combinatorial chemistry. It maintains headquarters in South Boston, Massachusetts, and three research facilities, in San D... |
https://en.wikipedia.org/wiki/John%20D.%20Wiley | John Duncan Wiley (born March 23, 1942, in Evansville, Indiana) is a faculty member and former chancellor of the University of Wisconsin–Madison. Wiley was named the 28th Chancellor of the University on November 10, 2000, and assumed office on January 1, 2001. He stepped down as chancellor and returned to the faculty o... |
https://en.wikipedia.org/wiki/K-complex | A K-complex is a waveform that may be seen on an electroencephalogram (EEG). It occurs during stage 2 NREM sleep. It is the "largest event in healthy human EEG". They are more frequent in the first sleep cycles.
K-complexes have two proposed functions: first, suppressing cortical arousal in response to stimuli that th... |
https://en.wikipedia.org/wiki/October%20Sky%20%28book%29 | October Sky is the first memoir in a series of four, by American engineer Homer Hickam Jr. originally published in 1998 as Rocket Boys. Later editions were published under the title October Sky as a tie-in to the 1999 film adaptation.
It is a story of growing up in a mining town, and a boy's pursuit of amateur rocke... |
https://en.wikipedia.org/wiki/IUPAC%20nomenclature%20of%20organic%20chemistry | In chemical nomenclature, the IUPAC nomenclature of organic chemistry is a method of naming organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry (IUPAC). It is published in the Nomenclature of Organic Chemistry (informally called the Blue Book). Ideally, every possible orga... |
https://en.wikipedia.org/wiki/Adam%27s%20apple | The Adam's apple or laryngeal prominence is the protrusion in the human neck formed by the angle of the thyroid cartilage surrounding the larynx, typically visible in men, less frequently in women. The prominence of the Adam's apple increases as a secondary male sex characteristic in puberty.
Structure
The topographi... |
https://en.wikipedia.org/wiki/Process%20molecular%20gene%20concept | The Process Molecular Gene Concept is an alternative definition of a gene that states that in order for synthesis of a polypeptide to occur you need non-DNA factors and regulatory regions to regulate gene expression on DNA and derived mRNA. This is important because a DNA sequence can code for multiple polypeptides, so... |
https://en.wikipedia.org/wiki/Rizza%20manifold | In differential geometry a Rizza manifold, named after Giovanni Battista Rizza, is an almost complex manifold also supporting a Finsler structure: this kind of manifold is also referred as almost Hermitian Finsler manifold.
Historical notes
The history of Rizza manifolds follows the history of the structure that such... |
https://en.wikipedia.org/wiki/Tularemia | Tularemia, also known as rabbit fever, is an infectious disease caused by the bacterium Francisella tularensis. Symptoms may include fever, skin ulcers, and enlarged lymph nodes. Occasionally, a form that results in pneumonia or a throat infection may occur.
The bacterium is typically spread by ticks, deer flies, or c... |
https://en.wikipedia.org/wiki/Continuous%20delivery | Continuous delivery (CD) is a software engineering approach in which teams produce software in short cycles, ensuring that the software can be reliably released at any time and, following a pipeline through a "production-like environment", without doing so manually. It aims at building, testing, and releasing software ... |
https://en.wikipedia.org/wiki/Depuration | Depuration of seafood is the process by which marine or freshwater animals are placed into a clean water environment for a period of time to allow purging of biological contaminants (such as Escherichia coli) and physical impurities (such as sand and silt). The most common subjects of depuration are bivalves such as ... |
https://en.wikipedia.org/wiki/Simple%20programmable%20logic%20device | A simple programmable logic device (SPLD) is a programmable logic device with complexity below that of a complex programmable logic device (CPLD).
The term commonly refers to devices such as ROMs, PALs, PLAs and GALs.
Basic description
Simple programmable logic devices (SPLD) are the simplest, smallest and least-ex... |
https://en.wikipedia.org/wiki/Electronic%20waste | Electronic waste or e-waste describes discarded electrical or electronic devices. It is also commonly known as waste electrical and electronic equipment (WEEE) or end-of-life (EOL) electronics. Used electronics which are destined for refurbishment, reuse, resale, salvage recycling through material recovery, or disposal... |
https://en.wikipedia.org/wiki/Image%20editing | Image editing encompasses the processes of altering images, whether they are digital photographs, traditional photo-chemical photographs, or illustrations. Traditional analog image editing is known as photo retouching, using tools such as an airbrush to modify photographs or editing illustrations with any traditional ... |
https://en.wikipedia.org/wiki/Right%20atrial%20pressure | Right atrial pressure (RAP) is the blood pressure in the right atrium of the heart. RAP reflects the amount of blood returning to the heart and the ability of the heart to pump the blood into the arterial system. RAP is often nearly identical to central venous pressure (CVP), although the two terms are not identical, a... |
https://en.wikipedia.org/wiki/Meier%20Eidelheit | Meier "Maks" Eidelheit
(6 July 1910 – March 1943)
was a Polish mathematician belonging to the Lwów School of Mathematics who worked in Lwów and was murdered in the Holocaust.
Biography
Meier Eidelheit left the Lwów Gymnasium in 1929 and then studied mathematics at the scientific faculty in Lwów, completing his study ... |
https://en.wikipedia.org/wiki/Tartar%20sauce | Tartar sauce (; spelled tartare sauce in the UK, Ireland, New Zealand, Australia, Fiji, South Africa) is a condiment made of mayonnaise, chopped pickles and relish, caper, and herbs such as tarragon and dill. Tartar sauce can also be enhanced with the addition of other varieties of herbs, lemon juice, or olives. It is ... |
https://en.wikipedia.org/wiki/Cognitive%20strategy | Cognitive strategies are the specific methods that people use to solve problems and/or exploit opportunities, including all sorts of reasoning, planning, arithmetic, etc. Importantly, a cognitive strategy need not be all "in the head", but will almost always interact with various aspects of what might be called the "ex... |
https://en.wikipedia.org/wiki/Bucky%20bit | In computing, a bucky bit is a bit in a binary representation of a character that is set by pressing on a keyboard modifier key other than the shift key.
Overview
Setting a bucky bit changes the output character. A bucky bit allows the user to type a wider variety of characters and commands while maintaining a reasona... |
https://en.wikipedia.org/wiki/Simple%20lipid | A simple lipid is a fatty acid ester of different alcohols and carries no other substance. These lipids belong to a heterogeneous class of predominantly nonpolar compounds, mostly insoluble in water, but soluble in nonpolar organic solvents such as chloroform and benzene.
Simple lipids: esters of fatty acids with vari... |
https://en.wikipedia.org/wiki/Exchange%20interaction | In chemistry and physics, the exchange interaction or exchange splitting (with an exchange energy and exchange term) is a quantum mechanical effect that only occurs between identical particles. Despite sometimes being called an exchange force in an analogy to classical force, it is not a true force as it lacks a force ... |
https://en.wikipedia.org/wiki/Absolute%20OpenBSD | Absolute OpenBSD: Unix for the Practical Paranoid is a comprehensive guide to the OpenBSD operating system by Michael W. Lucas, author of Absolute FreeBSD and Cisco Routers for the Desperate. The book assumes basic knowledge of the design, commands, and user permissions of Unix-like operating systems. The book contains... |
https://en.wikipedia.org/wiki/Trapping%20region | In applied mathematics, a trapping region of a dynamical system is a region such that every trajectory that starts within the trapping region will move to the region's interior and remain there as the system evolves.
More precisely, given a dynamical system with flow defined on the phase space , a subset of the phase... |
https://en.wikipedia.org/wiki/Sue%20Chandler | F. Sue Chandler, known as Sue (or Suzanne) Chandler, is a British schoolteacher and textbook writer, who, together with co-author Linda Bostock, wrote the "Bostock and Chandler" series of textbooks for advanced level mathematics in the UK. At the time she began the series, she was a full-time mathematics teacher at Sou... |
https://en.wikipedia.org/wiki/Genetics%20Research | Genetics Research is an open access, peer-reviewed scientific journal covering all aspects of human and animal genetics, reporting key findings on genomes, genes, mutations and molecular interactions, extending out to developmental, evolutionary, and population genetics as well as ethical, legal and social aspects. It ... |
https://en.wikipedia.org/wiki/Stropharia%20rugosoannulata | Stropharia rugosoannulata, commonly known as the wine cap stropharia, "garden giant", burgundy mushroom, king stropharia, or wine-red stropharia (Japanese: saketsubatake), is an agaric of the family Strophariaceae native to Europe and North America.
Unlike many other members of the genus Stropharia, it is regarded as a... |
https://en.wikipedia.org/wiki/Polarization%20of%20an%20algebraic%20form | In mathematics, in particular in algebra, polarization is a technique for expressing a homogeneous polynomial in a simpler fashion by adjoining more variables. Specifically, given a homogeneous polynomial, polarization produces a unique symmetric multilinear form from which the original polynomial can be recovered by ... |
https://en.wikipedia.org/wiki/Anchor%20plate | An anchor plate, floor plate or wall washer is a large plate or washer connected to a tie rod or bolt. Anchor plates are used on exterior walls of masonry buildings, for structural reinforcement against lateral bowing. Anchor plates are made of cast iron, sometimes wrought iron or steel, and are often made in a decorat... |
https://en.wikipedia.org/wiki/Motor%20system | The motor system is the set of central and peripheral structures in the nervous system that support motor functions, i.e. movement. Peripheral structures may include skeletal muscles and neural connections with muscle tissues. Central structures include cerebral cortex, brainstem, spinal cord, pyramidal system includin... |
https://en.wikipedia.org/wiki/Ageing%20%26%20Society | Ageing & Society is a monthly peer-reviewed scientific journal covering gerontology from a sociological perspective. It was established in 1981 and is published by Cambridge University Press. The editor-in-chief is Christina R. Victor (Brunel University). According to the Journal Citation Reports, the journal has a 201... |
https://en.wikipedia.org/wiki/Mixed%20waste%20%28radioactive/hazardous%29 | According to the United States Environmental Protection Agency, mixed waste (MW) is a waste type defined as follows; "MW contains both hazardous waste (as defined by RCRA and its amendments) and radioactive waste (as defined by AEA and its amendments). It is jointly regulated by NRC or NRC's Agreement States and EPA or... |
https://en.wikipedia.org/wiki/Hartree | The hartree (symbol: Eh or Ha), also known as the Hartree energy, is the unit of energy in the Hartree atomic units system, named after the British physicist Douglas Hartree. Its CODATA recommended value is =
The hartree energy is approximately the electric potential energy of the hydrogen atom in its ground state a... |
https://en.wikipedia.org/wiki/Trotula | Trotula is a name referring to a group of three texts on women's medicine that were composed in the southern Italian port town of Salerno in the 12th century. The name derives from a historic female figure, Trota of Salerno, a physician and medical writer who was associated with one of the three texts. However, "Trotul... |
https://en.wikipedia.org/wiki/Approximate%20max-flow%20min-cut%20theorem | Approximate max-flow min-cut theorems are mathematical propositions in network flow theory. They deal with the relationship between maximum flow rate ("max-flow") and minimum cut ("min-cut") in a multi-commodity flow problem. The theorems have enabled the development of approximation algorithms for use in graph partiti... |
https://en.wikipedia.org/wiki/Metallome | In biochemistry, the metallome is the distribution of metal ions in a cellular compartment. The term was coined in analogy with proteome as metallomics is the study of metallome: the "comprehensive analysis of the entirety of metal and metalloid species within a cell or tissue type". Therefore, metallomics can be con... |
https://en.wikipedia.org/wiki/Pentagonal%20planar%20molecular%20geometry | In chemistry, the pentagonal planar molecular geometry describes the shape of compounds where five atoms, groups of atoms, or ligands are arranged around a central atom, defining the vertices of a pentagon.
Examples
The only two pentagonal planar species known are the isoelectronic (nine valence electrons) ions and .... |
https://en.wikipedia.org/wiki/Nationalnyckeln%20till%20Sveriges%20flora%20och%20fauna | Nationalnyckeln till Sveriges flora och fauna (Swedish for "National Key to Sweden's Flora and Fauna") is a set of books, the first volume of which, Fjärilar: Dagfjärilar (Butterflies, 140 species), appeared on 25 April 2005. The publishing plan comprises 100,000 illustrations spread over more than 100 volumes, to appe... |
https://en.wikipedia.org/wiki/Zstd | Zstandard, commonly known by the name of its reference implementation zstd, is a lossless data compression algorithm developed by Yann Collet at Facebook.
Zstd is the reference implementation in C. Version 1 of this implementation was released as open-source software on 31 August 2016.
Features
Zstandard was designed ... |
https://en.wikipedia.org/wiki/Bateman%20polynomials | In mathematics, the Bateman polynomials are a family Fn of orthogonal polynomials introduced by . The Bateman–Pasternack polynomials are a generalization introduced by .
Bateman polynomials can be defined by the relation
where Pn is a Legendre polynomial. In terms of generalized hypergeometric functions, they are giv... |
https://en.wikipedia.org/wiki/Inter-American%20Biodiversity%20Information%20Network | The Inter-American Biodiversity Information Network (IABIN) is a network dedicated to the adoption and promotion of ecoinformatics standards and protocols in all the countries of the Americas, thus facilitating the sound use of biological information for conservation and sustainable use of biodiversity. It is primarily... |
https://en.wikipedia.org/wiki/Vaporware | In the computer industry, vaporware (or vapourware) is a product, typically computer hardware or software, that is announced to the general public but is late, never actually manufactured, or officially cancelled. Use of the word has broadened to include products such as automobiles.
Vaporware is often announced month... |
https://en.wikipedia.org/wiki/Lego%20Mindstorms | Lego Mindstorms (sometimes stylized as LEGO MINDSTORMS) is a discontinued hardware and software structure which develops programmable robots based on Lego bricks. Each version included a programmable microcontroller (or intelligent brick), a set of modular sensors and motors, and parts from the Lego Technic line to cre... |
https://en.wikipedia.org/wiki/Bobblehead | A bobblehead, also known by nicknames such as nodder, wobbler, or wacky wobbler, is a type of small collectible figurine. Its head is often oversized compared to its body. Instead of a solid connection, its head is connected to the body by a spring or hook in such a way that a light tap will cause the head to move arou... |
https://en.wikipedia.org/wiki/Maitansine | Maitansine (INN), or maytansine (USAN), is a cytotoxic agent. It inhibits the assembly of microtubules by binding to tubulin at the rhizoxin binding site.
It is a macrolide of the ansamycin type and can be isolated from plants of the genus Maytenus.
Maytansinoids
Derivatives of maitansine are known as maytansinoids.
... |
https://en.wikipedia.org/wiki/Syntrophin | The syntrophins are a family of five 60-kiloDalton proteins that are associated with dystrophin, the protein associated with Duchenne muscular dystrophy and Becker muscular dystrophy. The name comes from the Greek word syntrophos, meaning "companion." The five syntrophins are encoded by separate genes and are termed α,... |
https://en.wikipedia.org/wiki/Radiology | Radiology ( ) is the medical discipline that uses medical imaging to diagnose diseases and guide their treatment, within the bodies of humans and other animals. It began with radiography (which is why its name has a root referring to radiation), but today it includes all imaging modalities, including those that use no ... |
https://en.wikipedia.org/wiki/Odd%20radio%20circle | In astronomy, an odd radio circle (ORC) is a very large (over 50 thousand times the diameter of our Milky Way ~ 3 Million Light-years) unexplained astronomical object that, at radio wavelengths, is highly circular and brighter along its edges. As of 27 April 2021, there have been five such objects (and possibly six mo... |
https://en.wikipedia.org/wiki/Supergravity | In theoretical physics, supergravity (supergravity theory; SUGRA for short) is a modern field theory that combines the principles of supersymmetry and general relativity; this is in contrast to non-gravitational supersymmetric theories such as the Minimal Supersymmetric Standard Model. Supergravity is the gauge theory ... |
https://en.wikipedia.org/wiki/Extensions%20of%20Fisher%27s%20method | In statistics, extensions of Fisher's method are a group of approaches that allow approximately valid statistical inferences to be made when the assumptions required for the direct application of Fisher's method are not valid. Fisher's method is a way of combining the information in the p-values from different statisti... |
https://en.wikipedia.org/wiki/World%20Maths%20Day | World Maths Day (World Math Day in American English) is an online international mathematics competition, powered by Mathletics (a learning platform from 3P Learning, the same organisation behind Reading Eggs and Mathseeds). Smaller elements of the wider Mathletics program effectively power the World Maths Day event.
T... |
https://en.wikipedia.org/wiki/Method%20of%20moments%20%28electromagnetics%29 | The method of moments (MoM), also known as the moment method and method of weighted residuals, is a numerical method in computational electromagnetics. It is used in computer programs that simulate the interaction of electromagnetic fields such as radio waves with matter, for example antenna simulation programs like NE... |
https://en.wikipedia.org/wiki/Sympathetic%20cooling | Sympathetic cooling is a process in which particles of one type cool particles of another type.
Typically, atomic ions that can be directly laser cooled are used to cool nearby ions or atoms, by way of their mutual Coulomb interaction. This technique is used to cool ions and atoms that cannot be cooled directly by las... |
https://en.wikipedia.org/wiki/Triphenyltin%20compounds | Triphenyltin compounds are organotin compounds with the general formula (C6H5)3SnX. They contain the triphenyltin group, (C6H5)3Sn, or Ph3Sn, which consists of an atom of tin bonded to three phenyl groups. Examples of triphenyltins include:
Triphenyltin hydride, Ph3SnH
Triphenyltin hydroxide, Ph3SnOH
Triphenyltin chlo... |
https://en.wikipedia.org/wiki/Luna%20E-8-5%20No.%20405 | Luna E-8-5 No.405, also known as Luna Ye-8-5 No.405, and sometimes identified by NASA as Luna 1970A, was a Soviet spacecraft which was lost in a launch failure in 1970. It was a Luna E-8-5 spacecraft, the fifth of eight to be launched. It was intended to perform a soft landing on the Moon, collect a sample of lunar so... |
https://en.wikipedia.org/wiki/Resistance%20%28ecology%29 | In the context of ecological stability, resistance is the property of communities or populations to remain "essentially unchanged" when subject to disturbance. The inverse of resistance is sensitivity.
Stability and disturbance
Resistance is one of the major aspects of ecological stability. Volker Grimm and Christian ... |
https://en.wikipedia.org/wiki/Dennis%20Brown%20%28academic%29 | Dennis Brown is a renal physiologist. He is Professor of Medicine at Harvard Medical School, director of the Program in Membrane Biology at the Massachusetts General Hospital (MGH), and Associate Director of the MGH Center for Systems Biology. He is a member of the MGH Executive Committee on Research (ECOR), the centra... |
https://en.wikipedia.org/wiki/WSTM-TV | WSTM-TV (channel 3) is a television station in Syracuse, New York, United States, affiliated with NBC and The CW. It is owned by Sinclair Broadcast Group, which provides certain services to CBS affiliate WTVH (channel 5) through a local marketing agreement with Granite Broadcasting. Both stations share studios on James... |
https://en.wikipedia.org/wiki/Asker%20Jeukendrup | Asker Jeukendrup is a sports nutrition scientist and an Ironman triathlete.
Academic career
Following an MSc in Human Movement Sciences at Maastricht University in the Netherlands he completed his PhD in 1997 at the same university studying aspects of carbohydrate and fat metabolism during exercise. After postdoctora... |
https://en.wikipedia.org/wiki/Bell%20Laboratories%20Layered%20Space-Time | Bell Laboratories Layer Space-Time (BLAST) is a transceiver architecture for offering spatial multiplexing over multiple-antenna wireless communication systems. Such systems have multiple antennas at both the transmitter and the receiver in an effort to exploit the many different paths between the two in a highly-scatt... |
https://en.wikipedia.org/wiki/Playboy%20Bunny | A Playboy Bunny is a waitress who works at a Playboy Club and selected through standardized training. Their costumes were made up of lingerie, inspired by the tuxedo-wearing Playboy rabbit mascot. This costume consisted of a strapless corset teddy, bunny ears, black sheer-to-waist pantyhose, a bow tie, a collar, cuffs ... |
https://en.wikipedia.org/wiki/Susan%20Point | Susan Point (born 1952) is a Musqueam Coast Salish artist from Canada, who works in the Coast Salish tradition. Her sculpture, prints and public art works include pieces installed at the Vancouver International Airport, the National Museum of the American Indian in Washington D.C., Stanley Park in Vancouver, the Muse... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.